<template>
  <div>
    <h1>当前的求和为：{{ sum }}</h1>
    <h3>当前求和放大十倍为：{{bigSum}}</h3>
    <h3>我在{{school}}，学习{{ subject }}</h3>
    <h3 style="color: red;">MyPerson组件的总人数为：{{ personList.length }}</h3>
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="increment(n)">+</button>
    <button button @click="decrement(n)">-</button>
    <button @click="incrementOdd(n)">当求和为奇数再加</button>
    <button @click="incrementWait(n)">等一等再加</button>
  </div>
</template>

<script>
import { mapState,mapGetters,mapMutations,mapActions } from "vuex"
export default {
  name: 'MyCount',
  data() {
    return {
      n: 1,
    }
  },
  methods: {
    // 借助mapMutations生成对应的方法，方法中会调用commit去联系Mutations（对象写法）
    ...mapMutations('countAbout',{increment:'JIA',decrement:'JIAN'}),


    // 借助mapActions生成对应的方法，方法中会调用dispatch去联系Actions（对象写法）
      ...mapActions('countAbout',{incrementOdd:'jiaOdd',incrementWait:'jiaWait'}),
  },
  computed:{

      // 借助mapState生成计算属性，从state中读取数据（数组写法）
      ...mapState('countAbout',['sum','school','subject']),
      ...mapState('personAbout',['personList']),

      // 借助mapGetters生成计算属性，从Getters中读取数据（数组写法）
      ...mapGetters('countAbout',['bigSum'])
    },
    mounted() {
    console.log('MyCount', this);
  }
}
</script>
<style>
body {
  margin: 100px 100px;
}

button {
  margin-left: 5px;
}
</style>